Hesperostipa comata (Trin. & Rupr.) Barkworth

Idaho: Elmore County: From the Boise District Field Office, take a left (South) onto Development Avenue and continue for 0.1 miles. Turn left (East) onto Commerce Avenue and continue for 0.5 miles, after which, the road turns into Broadway Ave. Take the slight right and merge onto I-84E/US-30E and continue for 35.3 miles. Take exit 90 Mountain Home?ID51 S for 18.9 miles and then turn left onto Hot Springs road and continue for another 7.6 miles. Turn right onto Blackstone Grasmere Road and continue for 0.6 miles before turning left onto a two track. Continue onward and stay right at the fork heading downhill for 0.4 miles. Park and walk southwest for 0.39 miles to population center. Elev. 3274 ft.
42° 45' 52.4" N, 115° 44' 49" W
Coordinate Source: Specimen Label. Invalid coordinates (located outside county bounds).
Plants growing in sandy loam soils on fan remnants with Achnatherum hymenoides, Artemisia tridentata ssp. wyomingensis, Bromus tectorum, Dalia ornata, Ericameria nauseosa, Grayia spinosa, Sysimbrium altisimum, Tetrademia glomerata, and Tragopogon dubius. A native perennial bunch grass ranging from 1-4 feet in height with narrow basal leaves 3-12 inches in length. Blades generally roll inwards, however leaves located along the stem are usually shorter and wider than those located at the basal portion of the plant. Seed heads are open, loosely spreading panicles 5-10 inches long with single flowered spikelets. Seeds are approximately 3/8 inch in length with the part of the awn next to the seed lightly twisted and covered in fine soft hairs. On average, awns are usually 4-5 inches long and have straight, rough tips.

D. Pensinger s.n., Jun 19, 2019
With Cheyney, M. & Hankins, K.
CIC, Accession: 56652